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authorbernard <[email protected]>2014-08-01 12:03:24 +0800
committerbernard <[email protected]>2014-08-01 12:03:24 +0800
commit582aff86ed91dad23e8ace36f8466ca20c80bebf (patch)
tree77b4338a8afe48a1c45be9f4bab9b40de1543c5b /libcpu/arm/cortex-m3/context_gcc.S
parent516711dc1d08ed332704ec53fd377edbdd0b9834 (diff)
parent2fdef817b1a0ce82ef61bde11f41e651c1cc8d79 (diff)
Merge branch 'master' of https://github.com/RT-Thread/rt-threadv2.0.0_beta
Diffstat (limited to 'libcpu/arm/cortex-m3/context_gcc.S')
-rw-r--r--libcpu/arm/cortex-m3/context_gcc.S8
1 files changed, 4 insertions, 4 deletions
diff --git a/libcpu/arm/cortex-m3/context_gcc.S b/libcpu/arm/cortex-m3/context_gcc.S
index 7ff810d534..ca961bbd87 100644
--- a/libcpu/arm/cortex-m3/context_gcc.S
+++ b/libcpu/arm/cortex-m3/context_gcc.S
@@ -80,8 +80,8 @@ _reswitch:
STR R1, [R0]
BX LR
-/* R0 --> swith from thread stack
- * R1 --> swith to thread stack
+/* R0 --> switch from thread stack
+ * R1 --> switch to thread stack
* psr, pc, LR, R12, R3, R2, R1, R0 are pushed into [from] stack
*/
.global PendSV_Handler
@@ -102,14 +102,14 @@ PendSV_Handler:
LDR R0, =rt_interrupt_from_thread
LDR R1, [R0]
- CBZ R1, swtich_to_thread /* skip register save at the first time */
+ CBZ R1, switch_to_thread /* skip register save at the first time */
MRS R1, PSP /* get from thread stack pointer */
STMFD R1!, {R4 - R11} /* push R4 - R11 register */
LDR R0, [R0]
STR R1, [R0] /* update from thread stack pointer */
-swtich_to_thread:
+switch_to_thread:
LDR R1, =rt_interrupt_to_thread
LDR R1, [R1]
LDR R1, [R1] /* load thread stack pointer */